diff --git a/zwift_offline.py b/zwift_offline.py
index 7a052bd..c3a12bf 100644
--- a/zwift_offline.py
+++ b/zwift_offline.py
@@ -148,7 +148,7 @@ if not os.path.exists(SECRET_KEY_FILE):
         f.write(os.urandom(16))
 with open(SECRET_KEY_FILE, 'rb') as f:
     app.config['SECRET_KEY'] = f.read()
-app.config['MAX_CONTENT_LENGTH'] = 4 * 1024 * 1024  # A typical .fit file with power, cadence, and heartrate data recorded in December 2024 is approximately 1.3 MB / 4 hours.
+app.config['MAX_CONTENT_LENGTH'] = 16 * 1024 * 1024
 db = SQLAlchemy()
 db.init_app(app)